‘Solar Made Simple’ – Reps from groSolar lay out the guidelines for assessing whether a home or business could implement sun-powered energy solutions. Tuesday, May 25, 6–7:30PM at City Marketin Burlington. Free.

Plant Sale – The Granite Center Garden Club doles out perennials, herbs, shrubs and annuals to benefit local plantings and a scholarship fund. Friday, May 28, 6:30–10:30AM at Vermont Granite Museum in Barre. Free.

Chelsea Farmers Market – A 35-year-old town green tradition supplies shoppers with meat, cheese, vegetables, fine crafts and weekly entertainment. Friday, May 28, 3–6:30PM at North Common in Chelsea. Free.

Hardwick Farmers Market: Grand Opening Celebration – A burgeoning culinary community celebrates local ag with fresh produce and handcrafted goods. Special festivities include a day-old chick sale, needle-felting demonstrations and live music by Alan Greenleaf. Friday, May 28, 3–6PM at Route 15 West in Hardwick. Free.

Mexican Cooking Class – Instructor Dalia Gonzalez takes foodies south of the border with authentic fare such as homemade corn tortillas, tostadas and horchata. Friday, May 28, 6–7:30PM at City Market in Burlington. Free.

Apple Blossom Book & Bake Sale – People dig through more than 13,000 books for barter and choose snacks from an array of baked goods. A silent auction benefits programs for Grand Isle County elders. Saturday, May 29, 9AM–4PM at Hackett’s Orchard in South Hero. Free.

Downtown Walking Tour – Preservation Burlington takes history and architecture buffs on an hourlong tour of the Queen City’s significant nooks and crannies. Meet at the corner of Church and College streets. Saturday, May 29, 11AM at Church Street Marketplace in Burlington. $5.

‘Kickoff to Summer’ Celebration – A luau held by the Lake Champlain Community Sailing Center features surf music by Barbacoa, a Hawaiian feast, a limbo contest and creative attire. Saturday, May 29, 6–10PM at The Spot in Burlington. $10-20; cash bar.

Cupcake Showdown – Bakers battle it out for tiny cake glory and onlookers do the judging. Musician Katie Booth provides the tunes and proceeds benefit the new Plattsburgh roller derby league. Saturday, May 29, 7–9:30PM at Great Adirondack Soup Company in Plattsburgh. Free for bakers; $5 donation for others.

Enosburg Falls Farmers Market – A summer bazaar more than 20 years old offers herbs, jellies, vegetables and just-baked goodies in the heart of the village. Saturday, May 29, 9AM–1PM at Lincoln Park in Enosburg. Free.

Apple Blossom Book & Bake Sale – People dig through more than 13,000 books for barter and choose snacks from an array of baked goods. A silent auction benefits programs for Grand Isle County elders. Sunday, May 30, 10AM–3PM at Hackett’s Orchard in South Hero. Free.

Hartland Farm Fest – Pony and wagon rides, a “Farm Art” exhibit, farming skills demos, eats and live music fill an annual celebration of local food and the arts. Vermont Secretary of Agriculture Roger Allbee speaks at 1 p.m.Sunday, May 30, 11AM–3PM at Hartland Public Library in Hartland. Free.

Morning Bird Walk – An a.m. ramble through the woods rewards early risers with glimpses of feathered chirpers … and coffee. Sunday, May 30, 7–8:15AM at Birds of Vermont Museum in Huntington. Donations accepted.

Vermont City Marathon & Relay – Serious runners do the grueling 26.2 in a run finishing at the waterfront. Sunday, May 30, 8AM–3PM at Battery Park in Burlington. $85-100 marathon registration; $120-185 relay registration; free to watch.